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gpu: nvgpu: vgpu: Do not overwrite err code on fail

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vgpu_vm_alloc_share() wants to return -EINVAL if VMA areas requested
do not fulfill the criteria. The error code gets overwritten by a
call to vgpu_comm_sendrecv(), which makes vgpu_vm_alloc_share() always
return 0.

Change-Id: I93f56025f963d1d4ad2f9b06139fce742d3be41b
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1249961
GVS: Gerrit_Virtual_Submit
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
This commit is contained in:
Terje Bergstrom
2016-11-08 13:10:43 -08:00
committed by mobile promotions
parent 0f58a46904
commit d09d259d74
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/nvgpu/vgpu/mm_vgpu.c
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@@ -436,8 +436,7 @@ clean_up_share:
msg.cmd = TEGRA_VGPU_CMD_AS_FREE_SHARE;
msg.handle = vgpu_get_handle(g);
p->handle = vm->handle;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
WARN_ON(vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)) || msg.ret);
clean_up:
kfree(vm);
as_share->vm = NULL;